Quote:
Originally Posted by guamspyd3r
I'm kinda new to the Z but owned a G37 before...I currently have the Gredddy spectrum elite exhaust, if I just add HFC will the system be to loud? I'm not interested in waking everyone up....but I love my greddy exhaust none the less  |
^ I know this guy
and this exhaust
get ready for hiss.. When changing the Stock cats..
With the LTH my sounds like an exhaust leak or something metallic when letting off the gas in certain rpms.